And for stargazers in a huge stretch of the country this weekend, something special in the sky. Perhaps you saw it. Suddenly, a snafu. So, what was it? It was the flash across the sky seen by millions up and down the east coast. Seen here in the shadow of the empire state building. And here, shooting over this neighborhood in north carolina. And a spectacular shot from the beach in cape may, new jersey. Turns out it was nasa's latest unmanned moon shot. A spacecraft lifting off from a launch pad in virginia. Nasa's own camera trailing it as it raced across the sky. But then, word of trouble. That the spacecraft was spinning too fast and when nasa activated a stabilizer, it shut down instead. But tonight, they tell us, the engineers aren't worried, saying they had plenty of time to fix it and that the voyage continues. Nasa telling us it's back on a perfect track to explore the moon after vowing so many americans who sow the journey begin. And still on track for the moon tonight.

This transcript has been automatically generated and may not be 100% accurate.

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